Portion of a shoe midsole



FIG. 1 is a perspective view of a portion of a shoe midsole showing mynew design;

FIG. 2 is a first side view thereof;

FIG. 3 is a second side view thereof; and,

FIG. 4 is a rear view thereof.

The uneven broken lines immediately adjacent to the shaded arearepresent unclaimed boundaries of the design. The uneven broken lineshowing of the remainder of the shoe is for illustrative purposes onlyand forms no part of the claimed design.

The ornamental design for a portion of a shoe midsole, as shown anddescribed.